Walter Chester Mason , MSW
Case Manager/Care Coordinator • Milwaukee, WI
Notice of NPI Deactivation & Inactive Practice Status
According to official public domain records published by CMS (Centers for Medicare & Medicaid Services) in the National Provider Identifier (NPPES) Registry, Walter Mason has officially deactivated this NPI record and ceased active healthcare practice.
Professional Overview & Biography Verified Profile Summary
Walter Mason, MSW was a registered Case Manager/Care Coordinator practicing in Milwaukee, WI. Throughout an active medical career spanning 17 years, Walter Mason provided care at the practice location at 634 W MITCHELL ST until profile deactivation on 2026-03-05.
Practice Location & Contact Primary Location
634 W Mitchell St
Milwaukee, WI 532043512
Specialty Benchmarks & Practice Insights
Comparative analytics for Case Manager/Care Coordinator in Milwaukee, WI
Practicing in Milwaukee, WI (1491 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Medical Specialties & State Licenses
NUCC Taxonomy Code: 171M00000X
A person who provides case management services and assists an individual in gaining access to needed medical, social, educational, and/or other services. The person has the ability to provide an assessment and review of completed plan of care on a periodic basis. This person is also able to take collaborative action to coordinate the services with other providers and monitor the enrollee's progress toward the cost-effective achievement of objectives specified in the plan of care. Credentials may vary from an experience in the fields of psychology, social work, rehabilitation, nursing or a closely related human service field, to a related Assoc of Arts Degree or to nursing credentials. Some states may require certification in case management.
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Case Manager/Care Coordinator
Psychologist
Doctor of Philosophy (Ph.D.)
Case Manager/Care Coordinator
Case Manager/Care Coordinator
Social Worker
Case Manager/Care Coordinator
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Record deactivated on March 05, 2026
NPI status registered as active in NPPES database
Registered at 634 W MITCHELL ST, MILWAUKEE, WI 532043512 (Tel: 4143834486)
Registered at 634 W MITCHELL ST, MILWAUKEE, WI 532043512 (Tel: 4143834486)
Recorded as WALTER MASON, MSW
Case Manager/Care Coordinator
First registered as active Individual Practitioner in NPPES Database.
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NPI Administrative Meta
Mailing Address
634 W Mitchell St
Milwaukee, WI 532043512
Phone: 4143834486
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